as to
[preposition]
Synonyms: apropos, as for, as regards, as respects, concerning, in re, re, regarding, respecting, touching, by, according to

[TahlilGaran] English Synonym Dictionary ▲

as to FORMAL
about:
He was uncertain as to which road to take.
There's no decision as to when the work might start.

[TahlilGaran] Advanced Learner's Dictionary ▲

as to
with regard to, according to
"As to your question, I will answer it tomorrow."

The players were put into groups as to their ability.

[TahlilGaran] English Idioms Dictionary ▲

as to
prep.
1. In connection with; about; regarding.
There is no doubt as to his honesty.
As to your final grade, that depends on your final examination.
Synonym: WITH RESPECT TO.
2. According to; following; going by.
They sorted the eggs as to size and color.

[TahlilGaran] English Idioms Dictionary ▲